Tom Mangold

has worked for the BBC since 1964. As a war correspondent he has covered conflicts in Aden, Vietnam, Nigeria, Northern Ireland, the Middle East and Afghanistan. He has made over 100 documentaries for Panorama, including groundbreaking investigations into the sleeping pill Halcion and the false arrest and imprisonment of three men for a murder in Cardiff. He wrote and presented the Radio 4 show The FBI at 100 and has written four books, the most recent of which, Plague Wars, looks at modern day biological warfare.